Fisherman&#39;s catch alert unit



FIG. 1 is a perspective view of a fisherman's catch alert unit, showing my new design;

FIG. 2 is an end elevational view from the lower end thereof;

FIG. 3 is a side elevational view thereof; and

FIG. 4 is a rear elevational view thereof. 

The ornamental design for a fisherman's catch alert unit, substantially as shown. 